1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
// -*- C++ -*-
// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 2, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this library; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
// MA 02111-1307, USA.
// As a special exception, you may use this file as part of a free
// software library without restriction. Specifically, if other files
// instantiate templates or use macros or inline functions from this
// file, or you compile this file and link it with other files to
// produce an executable, this file does not by itself cause the
// resulting executable to be covered by the GNU General Public
// License. This exception does not however invalidate any other
// reasons why the executable file might be covered by the GNU General
// Public License.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file r_erase_fn_imps.hpp
* Contains an implementation class for bin_search_tree_.
*/
PB_DS_CLASS_T_DEC
inline void
PB_DS_CLASS_C_DEC::
actual_erase_node(node_pointer p_z)
{
_GLIBCXX_DEBUG_ASSERT(m_size > 0);
--m_size;
_GLIBCXX_DEBUG_ONLY(erase_existing(PB_DS_V2F(p_z->m_value)));
p_z->~node();
s_node_allocator.deallocate(p_z, 1);
}
PB_DS_CLASS_T_DEC
inline void
PB_DS_CLASS_C_DEC::
update_min_max_for_erased_node(node_pointer p_z)
{
if (m_size == 1)
{
m_p_head->m_p_left = m_p_head->m_p_right = m_p_head;
return;
}
if (m_p_head->m_p_left == p_z)
{
iterator it(p_z);
++it;
m_p_head->m_p_left = it.m_p_nd;
}
else if (m_p_head->m_p_right == p_z)
{
iterator it(p_z);
--it;
m_p_head->m_p_right = it.m_p_nd;
}
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
clear()
{
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
clear_imp(m_p_head->m_p_parent);
m_size = 0;
initialize();
_GLIBCXX_DEBUG_ONLY(map_debug_base::clear();)
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
clear_imp(node_pointer p_nd)
{
if (p_nd == NULL)
return;
clear_imp(p_nd->m_p_left);
clear_imp(p_nd->m_p_right);
p_nd->~Node();
s_node_allocator.deallocate(p_nd, 1);
}
|
